The smallest number that has both twenty-four and thirty as factors is 120.
31 is prime. ■
70
52
The greatest factor of any positive number is the number itself. The greatest common factor of 38 and 49 is 1.
There is no such number. For example twenty thirty thirds is small, but twenty three hundred and thirty third is smaller and 20/3333 will be smaller still. And so on.
3 there is no number higher than that for 9.
No, it's six. 12 is not a factor of thirty.
No.
thirty-seven
Yes.
No.
Yes - 6 is a factor of 30.